package com.application.common;

import java.beans.BeanInfo;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import java.lang.reflect.Method;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

public class BaseMethod {
	public static String getSerialField(String pre, Integer integer) {
		String userId;
		SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss");
		userId = String.format("%s%s%07d", pre, df.format(new Date()), integer);
		BaseLogger.writeLog("I", "SerialField:" + userId);
		return userId;
	}

	public static String getFormatDateTime(String format) {
		String datetm;
		SimpleDateFormat df = new SimpleDateFormat(format);
		datetm = String.format("%s", df.format(new Date()));
		return datetm;
	}

	public static void transMap2Bean(Map<String, Object> map, Object obj) {
		try {
			BeanInfo beanInfo = Introspector.getBeanInfo(obj.getClass());
			PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
			for (PropertyDescriptor property : propertyDescriptors) {
				String key = property.getName();
				if (map.containsKey(key)) {
					Object value = map.get(key);
					Method setter = property.getWriteMethod();
					setter.invoke(obj, value);
				}
			}
		} catch (Exception e) {
			BaseLogger.writeInfoLog("transMap2Bean Error " + e);
		}
		return;
	}

	public static Map<String, Object> transBean2Map(Object obj) {
		if (obj == null) {
			return null;
		}
		Map<String, Object> map = new HashMap<String, Object>();
		try {
			BeanInfo beanInfo = Introspector.getBeanInfo(obj.getClass());
			PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
			for (PropertyDescriptor property : propertyDescriptors) {
				String key = property.getName();
				if (!key.equals("class")) {
					// 得到property对应的getter方法
					Method getter = property.getReadMethod();
					Object value = getter.invoke(obj);
					map.put(key, value);
				}
			}
		} catch (Exception e) {
			BaseLogger.writeInfoLog("transBean2Map Error " + e);
		}
		return map;
	}
}
